I guess the answer is that you must be able to read the code and use your own judgement. Here the actual code of the extension is basically 2 files, one of 114

I guess the answer is that you must be able to read the code and use your own judgement. Here the actual code of the extension is basically 2 files, one of 114 lines and the other 66. Plain js, easy to digest. Looks pretty safe.